Diu may refer to: Diu, India, a city in Diu district in the union territory of Dadra and Nagar Haveli and Daman and Diu, India Diu district, part of the union territory of Dadra and Nagar Haveli and Daman and Diu Diu Island, an island and part of Diu district Diu Head, a headland in the Arabian Sea Diu (Cantonese), a Cantonese profanity Buth Diu (died 1972), Sudanese politicianDIU may refer to: Dansk Interlingua Union, an organization that promotes Interlingua in Denmark Defense Innovation Unit, a US Department of Defense organization Diplôme interuniversitaire, a French degree Diu Airport, in Diu, India, IATA code: DIU Divisional Intelligence Unit, police intelligence at the divisional level Down-with-Imperialism Union, a union formed by Kim Il-sung, president of North Korea Dresden International University, part of Dresden University in Germany Dubrovnik International University in Croatia Diamond Is Unbreakable, the fourth part of manga series JoJo's Bizarre Adventure Daffodil International University in Bangladesh